4.3. Face masks Summary of evidence “Ten relevant RCTs were identified for this review and meta-analysis to quantify the efficacy of community-based use of face masks” “the evidence was insufficient to exclude chance as an explanation for the reduced risk of transmission.” Real people speak: Face Masks have no measurable effect on stopping transmission of the Flu.
[ + ] calx
[ - ] calx 1 point 3.5 yearsNov 2, 2021 22:35:55 ago (+1/-0)